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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series AD674
Packaging Bulk |
Number of Bits 12
Sampling Rate (Per Second) -
Number of Inputs 2
Input Type Single Ended
Data Interface Parallel
Configuration S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External, Internal
Voltage - Supply, Analog -
Voltage - Supply, Digital -
Features -
Operating Temperature -
Mounting Type Through Hole
Grade -
Qualification -
Package / Case 28-CDIP (0.605", 15.37mm)
Supplier Device Package 28-CDIP

The AD674ALD from Analog Devices is a 12-bit dual-channel analog-to-digital converter featuring a parallel interface. Its S/H-ADC architecture ensures accurate sampling of analog signals, while support for both external and internal references offers design flexibility. Housed in a rugged 28-CDIP package, this ADC is built for industrial and military applications where reliability is paramount. The dual-channel design enables simultaneous data acquisition, making it a versatile choice for process control and instrumentation.

  • Dual-Channel Sampling: Two channels allow synchronized acquisition, reducing system complexity in multi-sensor applications.
  • Rugged Package: The ceramic DIP package provides superior environmental protection for harsh operating conditions.
  • Flexible Reference: Internal or external reference options enable precision tuning for specific accuracy requirements.
  • Legacy Compatibility: Parallel interface simplifies integration with existing 8-bit and 16-bit microprocessors.
  • Proven Reliability: Analog Devices' mature 12-bit ADC technology ensures long-term stability.

Industrial Process Control

The 12-bit resolution and parallel interface allow direct connection to legacy microcontrollers in PLCs, providing reliable conversion for temperature and pressure sensors.

Data Acquisition Systems

With dual channels and S/H architecture, it can sample two synchronized signals, making it suitable for vibration analysis and power monitoring.

Military and Aerospace

The hermetic CDIP package ensures protection against moisture and contaminants, ideal for avionics and defense electronics requiring high reliability.

Medical Instrumentation

Its internal reference simplifies circuit design in patient monitoring devices, delivering stable 12-bit conversion for ECG and EEG signals.

Automotive Test Equipment

The robust package and dual-channel capability support simultaneous measurement of voltage and current in battery test systems.

Scientific Research

External reference capability allows calibration to precision standards, enhancing measurement accuracy in laboratory experiments.

Q: What is the resolution of the AD674ALD?
A: The AD674ALD is a 12-bit analog-to-digital converter.
Q: How many channels does it have?
A: It has 2 input channels.
Q: What interface does it use?
A: It uses a parallel interface for data output.
Q: What is the architecture?
A: It uses a Sample-and-Hold (S/H) ADC architecture.
Q: What reference options are available?
A: Both external and internal references are supported.
Q: What is the package type?
A: It comes in a 28-CDIP (0.605", 15.37mm) package.
Base Product Number : AD674A
12-bit ADC Analog Devices Analog-to-Digital Converter CDIP Dual Channel Parallel S/H-ADC
Q: What is the resolution of the AD674ALD?
A: The AD674ALD is a 12-bit analog-to-digital converter.
Q: How many channels does it have?
A: It has 2 input channels.
Q: What interface does it use?
A: It uses a parallel interface for data output.
Q: What is the architecture?
A: It uses a Sample-and-Hold (S/H) ADC architecture.
Q: What reference options are available?
A: Both external and internal references are supported.
Q: What is the package type?
A: It comes in a 28-CDIP (0.605", 15.37mm) package.